president lincoln, kennedy, johnson. the asa stands on the shoulders of the black people who experienced it in the white house. as you noted in your intro, this goes from thosroindividuals who worked to build the white house when washington, d.c., when the country first came into existence, washington dc did not exist. it literally had to be built and it took 10 years. much of that labour from clearing the land, moving the trees and rocks came from african americans and slave labor. the iconic buildings that we know, the capital, the white house, both were built not only by unskilled black labor, people who did just sort of the hard work, but still black labor like carpenters, or african- americans. the first african-american who had engaged in the president's residence whether it was the white house we know now in washington or in the residence of the president george washington when he first went to new york and then when he moved from new york to the president's residence in philadelphia, and both of those residences,